multiply 3-digits by 2-digits...c) here are answers given by three children. 28,028nijah 5,852filip...
TRANSCRIPT
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1 Workoutthemultiplications.
a) 13×3 c) 25×4
13×30 25×40
b) 130×2 d) 204×4
130×20 204×40
2 Completethemultiplications.
a)
2 3 1
× 1 3
6 9 3
2 3 1 0
(231×3)
(231×10)
b)
5 1 2
× 2 4
22 0 4 8
11 0 2 4 0
( × )
( × )
3 Brettiscalculating216×23
WhatmistakehasBrettmade?
Whatisthecorrectanswer?
4 Workoutthemultiplications.
a) 142×31b)337×46c)214×53d)24×183
5 Somechildrenareaskedtoworkout308×19
a) Whichisthebestestimatetousetochecktheiranswers?
Workouttheanswertoyourestimate.
300×10300×20310×20300×19
b) Explainthereasonsforyourchoice.
c) Hereareanswersgivenbythreechildren.
Nijah 28,028 Filip 5,852 Whitney 2,080
Fromyourestimate,whodoyouthinkiscorrect?
d) Workoutthecorrectanswer.
e) Whatmistakesmighttheothershavemade?
Multiply3-digitsby2-digits
©WhiteRoseMaths2019
2 1 6
× 2 3
6 41 8 0
4 31 2
6 91 1 2
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6 Afootballpitchis128mlongand52mwide.
a) Whatistheareaofthepitch?
b) Afieldis25,000m².
Howmanyfootballpitchescouldfitinit?
7 Write>,<or=tocompleteeachstatement.
a) 146×64 164×46
135×53 153×35
b) Whatdoyounotice?
Doesthisalwayshappen?
8 MissRoseisorderingsomepencils.
Sheorders17ofpackA,14ofpackBand4ofpackC.
PackA PackB PackC
HowmanypencilsdoesMissRoseorder?
Eachpencilcosts16p.
HowmuchdoesMissRosespendonpencils?
Multiply3-digitsby2-digits
©WhiteRoseMaths2019
3 Brettiscalculating216×23
WhatmistakehasBrettmade?
Whatisthecorrectanswer?
4 Workoutthemultiplications.
a) 142×31b)337×46c)214×53d)24×183
5 Somechildrenareaskedtoworkout308×19
a) Whichisthebestestimatetousetochecktheiranswers?
Workouttheanswertoyourestimate.
300×10300×20310×20300×19
b) Explainthereasonsforyourchoice.
c) Hereareanswersgivenbythreechildren.
Nijah 28,028 Filip 5,852 Whitney 2,080
Fromyourestimate,whodoyouthinkiscorrect?
d) Workoutthecorrectanswer.
e) Whatmistakesmighttheothershavemade?
20 100
2 1 6
× 2 3
6 41 8 0
4 31 2
6 91 1 2